GCD of 630, 920, 646 Calculator

Given Input numbers are 630, 920, 646

To find the GCD of numbers using factoring list out all the divisors of each number

Divisors of 630

List of positive integer divisors of 630 that divides 630 without a remainder.

1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630

Divisors of 920

List of positive integer divisors of 920 that divides 920 without a remainder.

1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920

Divisors of 646

List of positive integer divisors of 646 that divides 646 without a remainder.

1, 2, 17, 19, 34, 38, 323, 646

Greatest Common Divisior

We found the divisors of 630, 920, 646 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 630, 920, 646 is 2.

Therefore, GCD of numbers 630, 920, 646 is 2

Given Input Data is 630, 920, 646

Make a list of Prime Factors of all the given numbers initially

Prime Factorization of 630 is 2 x 3 x 3 x 5 x 7

Prime Factorization of 920 is 2 x 2 x 2 x 5 x 23

Prime Factorization of 646 is 2 x 17 x 19

Highest common occurrences in the given inputs are 2¹

Multiplying them we get the GCD as 2

Step1:

Let's calculate the GCD of first two numbers

The formula of GCD is GCD(a, b) = ( a x b) / LCM(a, b)

LCM(630, 920) = 57960

GCD(630, 920) = ( 630 x 920 ) / 57960

GCD(630, 920) = 579600 / 57960

GCD(630, 920) = 10

Step2:

Here we consider the GCD from the above i.e. 10 as first number and the next as 646

The formula of GCD is GCD(a, b) = ( a x b) / LCM(a, b)

LCM(10, 646) = 3230

GCD(10, 646) = ( 10 x 646 ) / 3230

GCD(10, 646) = 6460 / 3230

GCD(10, 646) = 2

GCD of 630, 920, 646 is 2

Here are some samples of GCD of Numbers calculations.

• GCD of 273, 290, 925
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• GCD of 396, 804, 442
• GCD of 317, 472, 437
• GCD of 997, 243, 969

1. What is the GCD of 630, 920, 646?

GCD of 630, 920, 646 is 2

2. Where do I get the detailed procedure to find GCD of 630, 920, 646?

You can find a detailed procedure to find GCD of 630, 920, 646 on our page.

3. How to find GCD of 630, 920, 646 on a calculator?

You can find the GCD of 630, 920, 646 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.